2(p+1)=(p-1)

Solution for 2(p+1)=(p-1) equation:

Simplifying
2(p + 1) = (p + -1)

Reorder the terms:
2(1 + p) = (p + -1)
(1 * 2 + p * 2) = (p + -1)
(2 + 2p) = (p + -1)

Reorder the terms:
2 + 2p = (-1 + p)

Remove parenthesis around (-1 + p)
2 + 2p = -1 + p

Solving
2 + 2p = -1 + p

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '-1p' to each side of the equation.
2 + 2p + -1p = -1 + p + -1p

Combine like terms: 2p + -1p = 1p
2 + 1p = -1 + p + -1p

Combine like terms: p + -1p = 0
2 + 1p = -1 + 0
2 + 1p = -1

Add '-2' to each side of the equation.
2 + -2 + 1p = -1 + -2

Combine like terms: 2 + -2 = 0
0 + 1p = -1 + -2
1p = -1 + -2

Combine like terms: -1 + -2 = -3
1p = -3

Divide each side by '1'.
p = -3

Simplifying
p = -3